Polar M400 vs. Amazfit Arc vs. Samsung Galaxy Watch vs. Fitbit Charge HR vs. Amazfit GTR

 
M400
Arc
Galaxy Watch
Charge HR
GTR
 PolarM400Remove Buy NowAmazfitArcRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$69.99$330$150$199
Release20142016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days20 days7 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40360 x 360NA454 x 454
Sizen/a0.42 inches1.2 inches or 1.3 inchesNA1.39 inches
TouchNA
Typen/aOLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSNABuild-in
Apps
MusicSpotify

All Wearables